CVE-2021-21637: Jenkins Team Foundation Server

Medium severity, CVSS 6.5. EPSS: 1% chance of exploitation in the next 30 days.

A missing permission check in Jenkins Team Foundation Server Plugin 5.157.1 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.

Affected products

• Jenkins Team Foundation Server: up to and including 5.157.1

Published 2021-03-30. Last modified 2026-06-17.